Could T-Mobile (U.S.) new global plan doom the global SIM card business?

[snidely]

Originally Posted by davidtheprof

(sorry, make that "wouldn't get bill shock" on return - with reasonably fast 3G, I suspected I wasn't on the free roaming plan)

Mr. Prof - The speeds are only supposed to be at 128Kbs (Edge) on this plan. Most of us who have reported speeds from diff. countries and done speed tests get 127-128Kbs, exactly. IF you are on the regular (since 4/13) "Simple Choice" plan - you are covered. Don't know why you are getting 3G speeds. Maybe you r on a 3G network but have Edge speeds. Works fine for maps, email etc and rock solid audio streaming.
If you didn't get a warning text msg. about data roaming and got a msg. about hi-speed service being available for an extra charge - you won't get bill shock. Also, if you sign on to your account at my.t-mobile.com it will have a small banner "this account includes roaming in 100+ countries" (or words to that effect).